Great! Do you have any ESP-01 modules and the means to program them?
Here is a link to the manual for ESPixelStick. The hardware part will be irrelevant but the programming and usage information applies. You are not allowed to view links.
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LoginThe link to the firmware is in the manual.
Finally, here is a link to the board on OSH Park
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LoginLet me know if you have any questions or need help. And also share your results!
EDIT:
Lastly, if you want to try it right away, I can send you a board that needs a small modification. That is what I am currently using. The first design I made used the ESP TXD pin to send DMX data. ESPixelStick uses GPIO2.